Hyperaspine, a new 3-oxaquinolizidine alkaloid from Hyperaspis campestris (Coleoptera: Coccinellidae)

Hyperaspine, a new 3-oxaquinolizidine alkaloid from Hyperaspis campestris (Coleoptera: Coccinellidae) Synthesis and Absolute Configuration of Hyperaspine, an Alkaloid of the Ladybird Hyperaspis campestris Pyrrolidinoöxazolidine Alkaloids from Two Species of Ladybird Beetles Pyrrolidinoöxazolidine Alkaloids from Two Species of Ladybird Beetles Isopsylloborine A, a new dimeric azaphenalene alkaloid from ladybird beetles (Coleoptera: Coccinellidae) Adalinine, a New Piperidine Alkaloid from the Ladybird Beetles Adalia bipunctata and Adalia decempunctata 2-Dehydrococcinelline, a New Defensive Alkaloid from the Ladybird Beetle <i>Anatis ocellata</i> (Coccinellidae) 2-Dehydrococcinelline, a New Defensive Alkaloid from the Ladybird Beetle Anatis ocellata (Coccinellidae) Chilocorine: heptacyclic alkaloid from a coccinellid beetle Spirocyclic Defensive Alkaloid from a Coccinellid Beetle